Circular saw



FIG. 1 is a perspective view of a circular saw.

FIG. 2 is a side elevational view of the circular saw shown in FIG. 1.

FIG. 3 is an opposite side elevation view of the circular saw shown in FIG. 1.

FIG. 4 is a top plan view of the circular saw shown in FIG. 1.

FIG. 5 is a bottom view of the circular saw shown in FIG. 1.

FIG. 6 is a front elevation view of the circular saw shown in FIG. 1; and

FIG. 7 is a rear elevation view of the circular saw shown in FIG. 1. 

The ornamental design for a circular saw, as shown. 